{"id":"vidhyamitra:day:2031-09-08:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/2031-09-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2031-09-08","date_display":"September 8, 2031 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2031,"month":9,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463117.770833,"kali_year":5133,"ahargana":1874652.2708,"sun":{"sidereal_longitude":140.1403,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":42.123,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.9827,"elapsed_within_tithi_degrees":9.9827},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":42.123,"elapsed_within_degrees":2.123},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":182.2632},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2031,"month":9,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2463117.770833,"ahargana":1874652.2708,"kali_year":5133,"ayanamsa_lahiri":24.2956,"grahas":{"sun":{"sidereal_longitude":140.92414499999995,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":43.755945,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false,"latitude":-0.7978},"mars":{"sidereal_longitude":223.51804500000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":126.39834499999995,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":235.61454500000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":105.90524499999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":57.888345000000015,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":211.9012,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":31.9012,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2031,"month":9,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463117.770833,"kali_year":5133,"ahargana":1874652.2708,"sun":{"sidereal_longitude":140.1403,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":42.123,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.9827,"elapsed_within_tithi_degrees":9.9827},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":42.123,"elapsed_within_degrees":2.123},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":182.2632},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.798,"elongation":98.017},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.798,"opposition_distance":81.983}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":2088,"vikram_samvatsara":"Raktākṣī","saka_samvat":1953,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1438,"malayalam_era":1207,"nanakshahi_year":562,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Saptamī · Vikram 2088 Raktākṣī · Śaka 1953 Virodhakṛt"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","relevance":0.5}]},"validity":{"eternal":false,"valid_from":"2031-09-08T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga September 8, 2031 CE · Vidhyamitra","description":"Vedic pañchāṅga for September 8, 2031 CE: Kṛṣṇa Saptamī · Rohiṇī.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/2031-09-08","hreflang_alternates":{"en":"https://vidhyamitra.com/day/2031-09-08","sa":"https://sa.vidhyamitra.com/day/2031-09-08","hi":"https://hi.vidhyamitra.com/day/2031-09-08","x-default":"https://vidhyamitra.com/day/2031-09-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T07:17:51.298Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-14T07:17:51.298Z","pillar_versions":{"BOB-History":"Pūrṇa"}}}